Question 1

Which of the following statements best describes the perichondrium in skeletal cartilage?

Accepted Answer

It is a layer of dense connective tissue that surrounds cartilage and contains blood vessels for nutrient delivery.

Question 2

Which type of cartilage is most abundant in the human body and provides support, flexibility, and resilience?

Accepted Answer

Hyaline cartilage

Question 3

What is the primary function of osteoclasts in bone tissue?

Accepted Answer

To break down bone matrix and resorb bone during remodeling

Question 4

Which process describes the growth of cartilage from the inside, where chondrocytes divide and secrete new matrix?

Accepted Answer

Interstitial growth

Question 5

Which hormone is most important for stimulating epiphyseal plate activity during childhood?

Accepted Answer

Growth hormone

Question 6

What is the main inorganic component of bone that contributes to its hardness and resistance to compression?

Accepted Answer

Hydroxyapatite (calcium phosphate crystals)

Question 7

Which of the following best explains Wolff's law?

Accepted Answer

Bones grow or remodel in response to the mechanical stresses placed on them.

Question 8

During fracture healing, what is the correct sequence of events?

Accepted Answer

Hematoma formation, fibrocartilaginous callus formation, bony callus formation, bone remodeling

Question 9

Which of the following is NOT a function of bone?

Accepted Answer

Production of synovial fluid

Question 10

Which bone cell type is responsible for laying down osteoid matrix that later mineralizes?

Accepted Answer

Osteoblasts

Question 11

What is the structural unit of compact bone?

Accepted Answer

Osteon (Haversian system)

Question 12

Which of the following best describes osteoporosis?

Accepted Answer

A disease in which bone resorption exceeds bone deposit, leading to decreased bone mass and increased fracture risk.

Question 13

Which of the following bones is classified as a sesamoid bone?

Accepted Answer

Patella

Question 14

Which process is responsible for the formation of most bones inferior to the base of the skull?

Accepted Answer

Endochondral ossification

Question 15

Which of the following is true regarding the epiphyseal plate during bone growth?

Accepted Answer

It is replaced by bone at the end of adolescence, ceasing bone lengthening.

Question 16

Which of the following best describes the role of parathyroid hormone (PTH) in bone remodeling?

Accepted Answer

It stimulates osteoclasts to resorb bone and release calcium into the blood when blood calcium is low.

Question 17

Which of the following is a consequence of mechanical stress on bone according to Wolff's law?

Accepted Answer

Bones thicken and strengthen at sites of greatest mechanical stress.

Question 18

Which of the following is a risk factor for osteoporosis?

Accepted Answer

Postmenopausal status in women

Question 19

Which of the following structures is found in compact bone and contains blood vessels and nerve fibers?

Accepted Answer

Central (Haversian) canal

Question 20

Which of the following statements about bone marrow is correct?

Accepted Answer

Red marrow is found in the diploë of flat bones and is the most active site of blood cell formation in adults.

Bones and Skeletal Tissues: Structure, Function, and Growth

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